Finding the Third Proportional to 18,604.69 and 27,828.56

Step by Step Solution

1. Step 1: Write the proportion equation
   18,604.69 : 27,828.56 = 27,828.56 : x
2. Step 2: Convert to fraction form
   18,604.69/27,828.56 = 27,828.56/x
3. Step 3: Cross multiply
   18,604.69x = 27,828.56 × 27,828.56
4. Step 4: Simplify right side
   18,604.69x = 774,428,890.82
5. Step 5: Solve for x
   x = 774,428,890.82/18,604.69
6. Step 6: Final answer
   x = 41,625.47